Geologic Time- Middle & Recent Earth History Review

Question 1

During the Cenozoic Era, some mammals evolved to live in the sea.

Accepted Answer

True

Question 2

In geologic time, recent Earth history makes up the

Accepted Answer

Cenozoic Era

Question 3

The name for the one giant landmass where the continents were joined is

Accepted Answer

Pangaea

Question 4

Expanding grasslands and favorable climate during the Cenozoic Era resulted in

Accepted Answer

the survival & increase in grazing mammals (horses, deer, elephants, etc.).

Question 5

Which answer does NOT support that dinosaurs may be more similar to modern mammals & birds than reptiles?

Accepted Answer

Fossil evidence shows they look totally different and laid eggs.

Question 6

Reptiles became the most abundant animals during the Mesozoic Era because of their

Accepted Answer

shelled eggs & scaly skin to keep moisture & protect in the drier climate.

Question 7

Angiosperms

Accepted Answer

all of these.

Question 8

We live in the Quaternary Period of the Mesozoic Era.

Accepted Answer

False

Question 9

About 65 million years ago something happened on Earth that killed off many land & ocean plant & animal species. This is

Accepted Answer

mass extinction.

Question 10

Modern humans first appeared about 140,000 years ago.

Accepted Answer

True

Question 11

The era of middle life is the

Accepted Answer

Mesozoic Era

Question 12

Which era started 65 million years ago & continues to this day?

Accepted Answer

Cenozoic Era

Question 13

Species that survived the mass extinction at the end of the Paleozoic had to

Accepted Answer

adapt to the new environments of the Mesozoic.

Question 14

The scientific name for modern humans is

Accepted Answer

Homo sapiens

Question 15

The continents separating caused species to become isolated & evolving, explaining some(koalas) found only in Australia.

Accepted Answer

True

Question 16

First mammals appeared in the Mesozoic Era & survived changing environments. Which is NOT a characteristic of mammals?

Accepted Answer

eggs protected with a shell to keep moisture in

Question 17

During the Triassic Period of the Mesozoic Era, what happened to Pangaea?

Accepted Answer

Pangaea split in two and the. continents began drifting apart.

Question 18

The organisms that managed to survive the asteroid impact at the end of the Mesozoic are ancestors of today's species.

Accepted Answer

True

Question 19

The first small dinosaurs appeared during the ___ Period of the Mesozoic Era in the fossil record.

Accepted Answer

Triassic

Question 20

With the appearance of modern humans around 140,000 years ago,

Accepted Answer

competition for food & hunting may have caused extinction of other mammals.

Question 21

At the beginning of the Mesozoic era, all of the continents were

Accepted Answer

joined together in a single landmass.

Question 22

By the Mesozoic Era, plants that produce seeds in cones to protect them (pine trees) dominated the land. These are

Accepted Answer

gymnosperms

Question 23

Birds first appeared during the Jurassic period of the Mesozoic Era and were very similar to

Accepted Answer

small, meat-eating dinosaurs.

Question 24

Throughout the Mesozoic, some dinosaurs evolved into new species of dinosaurs while others

Accepted Answer

became extinct

Question 25

Which of these is hypothesized to have been the result of a large asteroid hitting Earth at the end of the Mesozoic Era?

Accepted Answer

all of these

Question 26

Larger & larger species of dinosaurs evolved throughout the Jurassic & Cretaceous Periods of the

Accepted Answer

Mesozoic Era

Question 27

The Mesozoic era ended 65 million years ago. What most likely caused this extinction event?

Accepted Answer

The impact of a large comet or asteroid hitting Earth.

Question 28

Many believe that the growth of mountain ranges like the Alps & Andes from Earth's plates colliding in the late Cenozoic

Accepted Answer

created cooler worldwide climates & ice ages.

Geologic Time- Middle & Recent Earth History Review

Questions 28

Geologic Time- Middle & Recent Earth History Review

Questions 28